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1、The infinitive不定式,动词不定式的基本形式,动词不定式否定形式被动形式进行时完成时,to do,not to do,to be done,to be doing,to have done,5.作表语,6.作状语,不定式,3.作宾语补足语,1.作主语,2.作宾语,4.作定语,不定式的功能,他的梦想是结婚,得到一份工作.His dream is to get a job and get married.,“生活中没有什么可怕的东西,只有需要理解的东西.”,“Nothing in life is to be feared;it is only to be understood.”,In
2、 order to get a good job,I need a university diploma.,In order not to let myself down,I must make every effort.,要有好工作,我得有张大学文凭.,为了不使自己失望,我必须尽一切努力.,To see is to believe.To lose heart means failure.Its a good habit to get up early.Its necessary for us to drink water as often as possible.,1.动词不定式作主语(Su
3、bject)：,注：1.动词不定式作主语时，谓语动词用单数。2.如果动词不定式太长，常把it用作形式主语。,hope,wish,want,promise,agree,decide,plan,refuse,manage,determine,fail,hurry,2.动词不定式作宾语：,I find it interesting to work with him.He felt it a hard task to finish it on time.,e.g.I promise to finish the homework on time.,want,ask,teach,promise,tell,
4、allow,permit,forbid,advise,persuade;order;invite,3.动词不定式作宾语补足语：,The teacher advised us to read every morning.,注：但感官动词(see,observe,hear,find.)，使役动词(make,let,have)后省略 to作宾补，在被动语态中加回to。I noticed him leave.=He was noticed to leave by me.,I have some books for you to read.Please give me a knife to cut wi
5、th.She is looking for a room to live in.,4.不定式作定语,注：1不定式作定语时，与其修饰的词往往有动宾关系。2不定式作定语往往表示尚未发生的动作。,比较:I have some clothes to wash.I have some clothes to be washed.,如果句子的主语是不定式的执行者，不定式用主动。如果句子的主语不是不定式的执行者，不定式用被动。,5.不定式作表语,My job is to help the patient.,The only thing I can do is to study hard.,6.动词不定式作状语
6、,Im saving up to buy a computer.,1 表示目的,_ pass the exam，he worked very hard.,In order to,so as to 不可以置于句首,目的状语还可以用in order to或so as to来表示,不定式表示结果常见于下列句型,2 表示结果,1)only to doHe lifted a rock only to drop it on his own feet.,2)enough to doHe didnt run fast enough to catch the train.,3)too.to doHis eyes
7、ight is too poor to read such small letters.,4)so.as to doWould you be so kind as to lend me your bicycle?,5)such.as to doWe are not such fools as to believe him.,3.不定式作原因状语：通常用来表示情绪方面的。,I am sorry to hear that.I am glad to see you.,We were very excited to hear the news,1.灰心意味着失败To lose heart means
8、failure.2.分析明显存在的东西需要非凡的头脑It takes a very unusual mind to undertake analysis of the obvious.3.医生预测我只有两年可以活了The doctor predicted that I had only two years to live.4.对我而言下一件大事就是娶我爱的那个女孩The next big thing for me is to marry the girl I love.为了学好英语，我们除了说英语外别无选择We have no choice but to speak English so as
9、 to learn English well.,动词不定式考点,1.作状语2.不定式的主被动形式3.it 作形式主语/宾语的句型4.不定式的省略问题5.特殊疑问词加不定式,Do you have anything to send?,Do you have anything to be sent?,如果句子的主语是不定式的执行者，不定式用主动。如果句子的主语不是不定式的执行者，不定式用被动。,作定语,不定式和特殊疑问词 who,when，what,which,why 等连用也可在句中作主，宾，表。,The question is how to do the job well.,When to l
10、eave and where to go havent been decided.,He told me where to find the book.,Homework:recite the following sentences,1.It takes a very unusual mind to undertake analysis of the obvious.2.Doctors predicted that he had only one year to live.3.The next big thing for me is to marry the girl I love.4.We
11、have no choice but to speak English so as to learn it well.5.I find it difficult to recite these sentences.,1.-Can the project be finished as planned?-Sure,_ it completed in time,well work two more hours a day.having got B.to get C.getting D.get _(finish)the work in time,we had a good rest.2.He hurr
12、ied to the station _ the train had left.only to find B.finding C.found D.to find 3.All these gifts must be mailed immediately _ in time for Christmas.A.in order to receive B.so as to be receivedC.in order to be received D.so as to receive 幻灯片 13,to get,only to find,B C,Finishing,1.Your work must be
13、handed in as soon as possible so as to be corrected in time.2.Reading English aloud every morning seems to me a rule _.A.to never break B.never to be breakingC.never to be broken D.never breaking3.-Mum,what are you doing?-I am doing some washing.Do you have something _(wash)-Oh,I am hungry.I want to
14、 have something _幻灯片 13,to be corrected,never to be broken,to be washed,to eat,It is essential to memorize new words and phrasesI find it easy to get on well with you.,1.Wand Dong wanted to surf the Internet,but his father told him_.A not to do B.not do it C.do not to D.not to 2.-Would you like to j
15、oin us in the game?-Id _.But I have to go to the teachers office.3.-Do you like reading love novels?No,but I _4.To learn English well,we have to speak every day.we could do nothing but wait.,not to,like to,used to,have no choice but to speak,5.Yesterday I heard her sing the English song-Love Paradis
16、e.(see/watch/notice/observe sb.do She was heard to sing6.The teachers make you do a lot of practice.,have you do,May I ask what I should do next?-May I ask what to do next?When to leave and where to go hasnt been decided.,5.不定式作表语,My job is to help the patient.,作表语的不定式带to与不带to:作表语的不定式通常带to，当主语部分含有实义动词do，不定式作表语可省to。,The only thing I can do is(to)wait.All you have to do is(to)press the button.,1.一个人不可能一辈子不犯错误，但要尽量少犯错误。(asas possible)2.中国政府决定向艾滋病患者免费提供药品。(suffer)3.你觉得年轻人借钱买汽车是否明智?(feel itsensible),4.那位老科学家呼吁政府采取措施来保护那座古镇。(appeal that)5.每一位消费者应该懂得如何保护自己的合法权益。(how to)6.广州人一般很难适应北方气候，尤其是冬天。(adapt),
